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Data Structures | Macros | Functions | Variables
mediacodecdec.c File Reference
#include "config_components.h"
#include <stdint.h>
#include <string.h>
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/pixfmt.h"
#include "libavutil/internal.h"
#include "avcodec.h"
#include "codec_internal.h"
#include "decode.h"
#include "h264_parse.h"
#include "h264_ps.h"
#include "hevc/parse.h"
#include "hwconfig.h"
#include "internal.h"
#include "jni.h"
#include "mediacodec_wrapper.h"
#include "mediacodecdec_common.h"

Go to the source code of this file.

Data Structures

struct  MediaCodecContext
 

Macros

#define OFFSET(x)
 
#define VD   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
 
#define DECLARE_MEDIACODEC_VCLASS(short_name)
 
#define DECLARE_MEDIACODEC_VDEC(short_name, full_name, codec_id, bsf)
 
#define AD   AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM
 
#define DECLARE_MEDIACODEC_ACLASS(short_name)
 
#define DECLARE_MEDIACODEC_ADEC(short_name, full_name, codec_id, bsf)
 

Functions

static av_cold int mediacodec_decode_close (AVCodecContext *avctx)
 
static av_cold int mediacodec_decode_init (AVCodecContext *avctx)
 
static int mediacodec_receive_frame (AVCodecContext *avctx, AVFrame *frame)
 
static void mediacodec_decode_flush (AVCodecContext *avctx)
 

Variables

static const AVCodecHWConfigInternal *const mediacodec_hw_configs []
 
static const AVOption ff_mediacodec_vdec_options []
 
static const AVOption ff_mediacodec_adec_options []
 

Macro Definition Documentation

◆ OFFSET

#define OFFSET ( x)
Value:
offsetof(MediaCodecContext, x)

Definition at line 594 of file mediacodecdec.c.

◆ VD

#define VD   AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM

Definition at line 595 of file mediacodecdec.c.

◆ DECLARE_MEDIACODEC_VCLASS

#define DECLARE_MEDIACODEC_VCLASS ( short_name)
Value:
static const AVClass ff_##short_name##_mediacodec_dec_class = { \
.class_name = #short_name "_mediacodec", \
.item_name = av_default_item_name, \
.option = ff_mediacodec_vdec_options, \
.version = LIBAVUTIL_VERSION_INT, \
};
av_default_item_name
const char * av_default_item_name(void *ptr)
Return the context name.
Definition log.c:241
LIBAVUTIL_VERSION_INT
#define LIBAVUTIL_VERSION_INT
Definition version.h:85
ff_mediacodec_vdec_options
static const AVOption ff_mediacodec_vdec_options[]
Definition mediacodecdec.c:596
AVClass
Describe the class of an AVClass context structure.
Definition log.h:76

Definition at line 606 of file mediacodecdec.c.

◆ DECLARE_MEDIACODEC_VDEC

#define DECLARE_MEDIACODEC_VDEC ( short_name,
full_name,
codec_id,
bsf )
Value:
DECLARE_MEDIACODEC_VCLASS(short_name) \
const FFCodec ff_ ## short_name ## _mediacodec_decoder = { \
.p.name = #short_name "_mediacodec", \
CODEC_LONG_NAME(full_name " Android MediaCodec decoder"), \
.p.type = AVMEDIA_TYPE_VIDEO, \
.p.id = codec_id, \
.p.priv_class = &ff_##short_name##_mediacodec_dec_class, \
.priv_data_size = sizeof(MediaCodecContext), \
.init = mediacodec_decode_init, \
FF_CODEC_RECEIVE_FRAME_CB(mediacodec_receive_frame), \
.flush = mediacodec_decode_flush, \
.close = mediacodec_decode_close, \
.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HARDWARE, \
.caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE, \
.bsfs = bsf, \
.hw_configs = mediacodec_hw_configs, \
.p.wrapper_name = "mediacodec", \
}; \
FF_CODEC_RECEIVE_FRAME_CB
#define FF_CODEC_RECEIVE_FRAME_CB(func)
Definition codec_internal.h:382
FF_CODEC_CAP_NOT_INIT_THREADSAFE
#define FF_CODEC_CAP_NOT_INIT_THREADSAFE
The codec is not known to be init-threadsafe (i.e.
Definition codec_internal.h:35
init
int(* init)(AVBSFContext *ctx)
Definition dts2pts.c:608
AV_CODEC_CAP_AVOID_PROBING
#define AV_CODEC_CAP_AVOID_PROBING
Decoder is not a preferred choice for probing.
Definition codec.h:126
AV_CODEC_CAP_DELAY
#define AV_CODEC_CAP_DELAY
Encoder or decoder requires flushing with NULL input at the end in order to give the complete and cor...
Definition codec.h:79
AV_CODEC_CAP_HARDWARE
#define AV_CODEC_CAP_HARDWARE
Codec is backed by a hardware implementation.
Definition codec.h:133
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition avutil.h:200
mediacodec_hw_configs
static const AVCodecHWConfigInternal *const mediacodec_hw_configs[]
Definition mediacodecdec.c:581
mediacodec_decode_close
static av_cold int mediacodec_decode_close(AVCodecContext *avctx)
Definition mediacodecdec.c:64
DECLARE_MEDIACODEC_VCLASS
#define DECLARE_MEDIACODEC_VCLASS(short_name)
Definition mediacodecdec.c:606
mediacodec_decode_init
static av_cold int mediacodec_decode_init(AVCodecContext *avctx)
Definition mediacodecdec.c:308
mediacodec_decode_flush
static void mediacodec_decode_flush(AVCodecContext *avctx)
Definition mediacodecdec.c:572
mediacodec_receive_frame
static int mediacodec_receive_frame(AVCodecContext *avctx, AVFrame *frame)
Definition mediacodecdec.c:489
codec_id
enum AVCodecID codec_id
Definition vaapi_decode.c:410

Definition at line 614 of file mediacodecdec.c.

◆ AD

#define AD   AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM

Definition at line 662 of file mediacodecdec.c.

◆ DECLARE_MEDIACODEC_ACLASS

#define DECLARE_MEDIACODEC_ACLASS ( short_name)
Value:
static const AVClass ff_##short_name##_mediacodec_dec_class = { \
.class_name = #short_name "_mediacodec", \
.item_name = av_default_item_name, \
.option = ff_mediacodec_adec_options, \
.version = LIBAVUTIL_VERSION_INT, \
};
ff_mediacodec_adec_options
static const AVOption ff_mediacodec_adec_options[]
Definition mediacodecdec.c:663

Definition at line 671 of file mediacodecdec.c.

◆ DECLARE_MEDIACODEC_ADEC

#define DECLARE_MEDIACODEC_ADEC ( short_name,
full_name,
codec_id,
bsf )
Value:
DECLARE_MEDIACODEC_ACLASS(short_name) \
const FFCodec ff_ ## short_name ## _mediacodec_decoder = { \
.p.name = #short_name "_mediacodec", \
CODEC_LONG_NAME(full_name " Android MediaCodec decoder"), \
.p.type = AVMEDIA_TYPE_AUDIO, \
.p.id = codec_id, \
.p.priv_class = &ff_##short_name##_mediacodec_dec_class, \
.priv_data_size = sizeof(MediaCodecContext), \
.init = mediacodec_decode_init, \
FF_CODEC_RECEIVE_FRAME_CB(mediacodec_receive_frame), \
.flush = mediacodec_decode_flush, \
.close = mediacodec_decode_close, \
.p.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HARDWARE, \
.caps_internal = FF_CODEC_CAP_NOT_INIT_THREADSAFE, \
.bsfs = bsf, \
.p.wrapper_name = "mediacodec", \
}; \
AVMEDIA_TYPE_AUDIO
@ AVMEDIA_TYPE_AUDIO
Definition avutil.h:201
DECLARE_MEDIACODEC_ACLASS
#define DECLARE_MEDIACODEC_ACLASS(short_name)
Definition mediacodecdec.c:671

Definition at line 679 of file mediacodecdec.c.

Function Documentation

◆ mediacodec_decode_close()

static av_cold int mediacodec_decode_close ( AVCodecContext * avctx)
static

Definition at line 64 of file mediacodecdec.c.

Referenced by mediacodec_decode_init().

◆ mediacodec_decode_init()

static av_cold int mediacodec_decode_init ( AVCodecContext * avctx)
static

Definition at line 308 of file mediacodecdec.c.

◆ mediacodec_receive_frame()

static int mediacodec_receive_frame ( AVCodecContext * avctx,
AVFrame * frame )
static

Definition at line 489 of file mediacodecdec.c.

◆ mediacodec_decode_flush()

static void mediacodec_decode_flush ( AVCodecContext * avctx)
static

Definition at line 572 of file mediacodecdec.c.

Variable Documentation

◆ mediacodec_hw_configs

const AVCodecHWConfigInternal* const mediacodec_hw_configs[]
static
Initial value:
= {
&(const AVCodecHWConfigInternal) {
.public = {
.pix_fmt = AV_PIX_FMT_MEDIACODEC,
.methods = AV_CODEC_HW_CONFIG_METHOD_AD_HOC |
AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX,
.device_type = AV_HWDEVICE_TYPE_MEDIACODEC,
},
.hwaccel = NULL,
},
NULL
}
NULL
#define NULL
Definition coverity.c:32
AV_CODEC_HW_CONFIG_METHOD_AD_HOC
@ AV_CODEC_HW_CONFIG_METHOD_AD_HOC
The codec supports this format by some ad-hoc method.
Definition codec.h:311
AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX
@ AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX
The codec supports this format via the hw_device_ctx interface.
Definition codec.h:282
AV_HWDEVICE_TYPE_MEDIACODEC
@ AV_HWDEVICE_TYPE_MEDIACODEC
Definition hwcontext.h:38
AV_PIX_FMT_MEDIACODEC
@ AV_PIX_FMT_MEDIACODEC
hardware decoding through MediaCodec
Definition pixfmt.h:316

Definition at line 581 of file mediacodecdec.c.

◆ ff_mediacodec_vdec_options

const AVOption ff_mediacodec_vdec_options[]
static
Initial value:
= {
{ "delay_flush", "Delay flush until hw output buffers are returned to the decoder",
OFFSET(delay_flush), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, VD },
{ "ndk_codec", "Use MediaCodec from NDK",
OFFSET(use_ndk_codec), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VD },
{ "operating_rate", "The desired operating rate that the codec will need to operate at, zero for unspecified",
OFFSET(operating_rate), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, VD },
{ NULL }
}
VD
#define VD
Definition amfdec.c:787
OFFSET
#define OFFSET(x)
Definition ffmpeg_opt.c:1551
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Underlying C type is int.
Definition opt.h:258
AV_OPT_TYPE_BOOL
@ AV_OPT_TYPE_BOOL
Underlying C type is int.
Definition opt.h:326

Definition at line 596 of file mediacodecdec.c.

◆ ff_mediacodec_adec_options

const AVOption ff_mediacodec_adec_options[]
static
Initial value:
= {
{ "ndk_codec", "Use MediaCodec from NDK",
OFFSET(use_ndk_codec), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, AD },
{ "operating_rate", "The desired operating rate that the codec will need to operate at, zero for unspecified",
OFFSET(operating_rate), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, AD },
{ NULL }
}
AD
#define AD
Definition evrcdec.c:920

Definition at line 663 of file mediacodecdec.c.

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